Rough sculpin (Cottus asperrimus) fish species and information / pictures of Rough sculpin - Cottus asperrimus

Rough sculpin (Cottus asperrimus) fish species information

Scientific Name
Cottus asperrimus

Common Name
Rough sculpin

Biology
Occurs in vegetated runs and riffles of creeks and small to medium rivers, usually over mud in clear, fairly deep water (1-2 m).

Classification

Classified By
Rutter, 1908
Class
Ray-finned fishes (Actinopterygii)
Order
Scorpionfishes and Flatheads (Scorpaeniformes)
Family
Sculpins (Cottidae)

Distribution

Region
North America
Distribution
North America: occurs only in Pit River system in Shasta and Lassen counties in California, USA.
Range
41°N - 40°N

Environment

Climate
Temperate
Water Temperature From
Unknown °C
Water Temperature To
Unknown °C
Depth From - meters
Unknown m
Depth To - meters
Unknown m
Zone
demersal
Environment
Freshwater; demersal
Trophic Level
3.17 s.e. 0.44 Based on size and trophs of closest relatives
Occurs in Marine / Salt water
False
Occurs in Brackish water
False
Occurs in Fresh Water
True
Occurs on Reefs
False
Is kept in Aquariums
False

Physical Size and Genetics

Maximum Length
9.6 cm
Common Length
5.5 cm
Phylogenetic Diversity Index
PD50 = 0.5000 many relatives (e.g. carps) 0.5 - 2.0 few relatives (e.g. lungfishes)

Human Uses and Population

Human Uses
Unknown
Vulnerability
Moderate vulnerability (39 of 100)
Resilience
Medium, minimum population doubling time 1.4 - 4.4 years (K=0.18; tmax=5)
Threat To Humans
  Harmless
IUCN Red List Status
  Vulnerable (VU) (D2)